/**
 * 全站http配置
 *
 * axios参数说明
 * isSerialize是否开启form表单提交
 * isToken是否需要token
 */
import axios, {request} from 'axios';
import store from '@/store/';
import {serialize} from '@/util/util';
import {getToken} from '@/util/auth';
import {Message} from 'element-ui';
import website from '@/config/website';
import {Base64} from 'js-base64';
import NProgress from 'nprogress';
import 'nprogress/nprogress.css';
import qs from 'qs';

//默认超时时间
axios.defaults.timeout = 60000;
//返回其他状态码
axios.defaults.validateStatus = function (status) {
    return status >= 200 && status <= 500;
};
//跨域请求，允许保存cookie
axios.defaults.withCredentials = true;
// NProgress 配置
NProgress.configure({
    showSpinner: false
});
//http request拦截
axios.interceptors.request.use(config => {
    let appId = localStorage.getItem("appId");

    if (appId) {
        config.headers['Application-Id'] = appId;
    }
    // config.headers['clientId'] = website.clientId;
    config.headers['Current-App-Id'] = website.applicationId;


    //开启 progress bar
    NProgress.start();
    //headers判断是否需要
    const authorization = config.authorization === false;
    if (!authorization) {
        config.headers['Authorization'] = `Basic ${Base64.encode(`${website.clientId}:${website.clientSecret}`)}`;
    }

    //让每个请求携带token
    const meta = (config.meta || {});
    const isToken = meta.isToken === false;
    if (getToken() && !isToken && !authorization) {
        config.headers[website.tokenHeader] = 'bearer ' + getToken()
    }
    //headers中配置text请求
    if (config.text === true) {
        config.headers["Content-Type"] = "text/plain";
    }
    //headers中配置serialize为true开启序列化
    if (config.method === 'post' && meta.isSerialize === true) {
        config.data = serialize(config.data);
    }
    //只针对get方式进行序列化
    if (config.method === 'get') {
        config.paramsSerializer = function (params) {
            return qs.stringify(params, {arrayFormat: 'comma'})
            // return qs.stringify(params, { allowDots: true, encode: false  })
        }
    }
    return config
}, error => {
    return Promise.reject(error)
});
//http response 拦截
axios.interceptors.response.use(res => {
    //关闭 progress bar
    NProgress.done();
    //获取状态码
    const status = res.status || res.data.code;
    const statusWhiteList = website.statusWhiteList || [];
    const message = res.data.msg || res.data.error_description || '未知错误';
    //如果在白名单里则自行catch逻辑处理
    if (statusWhiteList.includes(status)) return Promise.reject(res);
    // 如果请求为非200否者默认统一处理
    const {code, msg} = res.data;

    //如果是401则跳转到登录页面
    if (code === 401 || code === 424) {
        store.dispatch('LogOut').then(() => {
            Message({
                message: "无权访问",
                type: 'error'
            });
        });
        return;
    }

    if (code && code !== 200) {
        Message({
            message: msg,
            type: 'error'
        });
        return Promise.reject(new Error(msg))
    }

    if (status !== 200) {
        Message({
            message: message,
            type: 'error'
        });
        return Promise.reject(new Error(message))
    }
    return res;
}, error => {
    NProgress.done();
    return Promise.reject(new Error(error));
});


export default axios;
